43results about How to "Reduce suffocation" patented technology

A magnetic assembly for a multistage magnetic fluid rotary seal has a shaft, an annular permanent magnet, at least one pole piece and a radial gap formed between the shaft and the pole piece. The shaft and the pole piece have a plurality of trapezoidal-shaped ridges in opposing, non-contacting relationship forming the radial gap. The trapezoidal-shaped ridges have a flat top portion facing the radial gap and tapered sides that diverge away from the top portion.

The invention relates to a synthesizing process of calcium dobesilate hydrate in pharmaceutical industry. Hydroquinone and concentrated sulfuric acid are directly sulfonated and then the sulfonated product in water solution state and calcium carbonate are neutralized to prepare the calcium dobesilate hydrate. In the synthesizing process, the operation is simplified, the industrialization cost is saved, the reaction conditions are mild, the product purity is high, the reaction end point is controllable, and the process is suitable for industrial mass production.

The invention provides an intelligent building system. A floor drain, a water discharge pipe and water storage columns are arranged inside a building, and a rainwater collection pool is also arranged under the building. The intelligent building system is characterized in that the water storage columns are arranged on the inner side of the building, leads and plugs are arranged on the surfaces of the water storage columns, the leads are connected with the plugs arranged on the surfaces of the water storage columns and arranged on different layers, sensors are arranged in the leads and the plugs and connected with an external power source arranged at the bottom of the building through a circuit, a water raising pipeline is connected with the water storage columns, a water suction pump and the rainwater collection pool arranged on the lower layer of a building underground garage, the external power source supplies power to the water suction pump, storm sewers are arranged on the ground surfaces on the periphery of the building, and filtering layers are paved under the storm sewers. In the flood season, rainwater is collected to the rainwater collection pool of the garage through collection of the storm sewers and filtering of the filtering layers. The intelligent building system achieves intelligent fire extinguishment, smoke removing, warm keeping, cold resisting, flood protection, water taking and the other functions through the building design.

The invention discloses a gas leakage detection device for a gas pipeline, and belongs to the field of gas pipelines. According to the device, in the use process of the gas pipeline, when a sealing ring is aged and corroded to cause gas leakage, a liquid storage bag is damaged, so that an aqueous solution overflows, is adsorbed to the surface of an expansion balloon through a water guide rope, so that the expansion balloon expands; the storage bag is punctured through a spine, the sealing ring is repaired through the repairing liquid, the gas can still be sealed within a short time; air in the storage bag is extruded through the expansion balloon, and a rubber sealing piece is opened, so that a gas-permeable membrane and oxalic acid diester react with each other, energy after the reaction is transmitted to a fluorescent dye, the fluorescent dye emits fluorescence, external workers are prompted that the gas pipeline leaks and needs to be maintained in time, and the possibility that the workers are suffocated or exploded due to gas leakage is reduced.

Mixing apparatus is disclosed suitable for the mixing and/or aeration of large bodies of water e.g. lakes or reservoirs. One particular use is in causing controlled destratification. Another area of use is in the aeration or oxygenation of liquid waste. The mixing apparatus has a draft tube (1) with an open interior, and gas injectors (6) to drive an upward flow of liquid through the draft tube (1). An arrangement of angled vanes (4) at the intake of the draft tube imposes swirl on the flow, which then rises unobstructed through the draft tube (1). No moving parts are involved.

The invention provides a sleep apnea detecting and treating instrument. The sleep apnea detecting and treating instrument comprises a belt and a belt box, an electric stimulation treating instrument and an optical treating instrument, wherein the detecting instrument comprises a detecting part; the electric stimulation treating instrument comprises an electric stimulation treating instrument body, an optical fiber, an electrode adhesive and a blood oxygen detecting head; the electric stimulation treating instrument body comprises a light needle head; the light needle head refracts a light needle to the electrode adhesive through the optical fiber; the optical treating instrument comprises a laser diode or a light-emitting diode; and the light needle generating the wavelength of 610 to 980 nm refracts and transmits an optical signal through the optical fiber. The breathing state of a user is obtained by an acceleration sensing technique, so that the simple and convenient detection effect is achieved. A Lieque acupuncture point is stimulated by electric shock pulse and optical acupuncture and moxibustion, so that a blockage phenomenon can be relieved timely. In addition, optical treatment contributes to reducing sleep apnea and improving sleeping quality. The sleep apnea detecting and treating instrument has the advantages of lightness, convenience and simpleness. By the sleep apnea detecting and treating instrument, a mild patient can be detected and treated at home.

The invention belongs to the field of main components arranged in houses or other buildings or main components of elevators matched with the houses or the buildings and particularly discloses an elevator with an oxygen supplying function. The elevator comprises a lift car; a cavity, an oxygen channel and a stopping block for sealing the oxygen channel are arranged in the lateral wall of the lift car; catalyst and a glass bottle containing hydrogen peroxide are arranged in the cavity; an electromagnet attracting the stopping block is arranged in the oxygen channel; and the oxygen channel is communicated with the cavity and a top layer of the lift car. Compared with a traditional elevator, the elevator can still supply oxygen when safety accident happens and power is cut off. Thus, the possibility that passengers are stifled is reduced.

The invention relates to a Chinese sturgeon satellite marking bone plate suspension structure and a suspension method. A hole is drilled at a position of each of a third back bone plate, a fourth back bone plate and a fifth back bone plate of Chinese sturgeon in a horizontally and oppositely penetrating manner by an electric drill, the distance between the position and the top of each back bone plate is about 1cm, a nylon monofilament or metal wire sleeves a heat shrink tube and is heated to tightly wrap the heat shrink tube, the nylon monofilament or metal wire penetrates the hole of the third back bone plate to enclose a first coil with the diameter about 5cm, iodophor is smeared to a wound, two ends of the first coil simultaneously penetrate a stainless steel hole button, the hole button is compressed by cold compression pincers, slightly smaller coils are formed on the fourth back bone plate and the fifth back bone plate according to the steps, a reserved line is connected to the tail end of a file-type pop-up mark to serve as a pulling rope, the pulling rope and the file-type pop-up mark penetrate three connecting coils on a Chinese sturgeon throwing site, the third connecting coil is adjusted to reach the length exactly clamping the file-type pop-up mark, and the pulling rope is connected onto the first coil and the second coil in a sleeving manner and compressed through hole buttons.

The invention provides a novel bacterium-insulation and dust-tight mask which comprises a mask body and four straps. The four straps are respectively arranged at the left end and the right end of the mask body, a filter layer of the mask body is provided with 8-16 layers of cotton gauze, an arc-shaped housing, a mint medicine bag and an activated carbon layer are sequentially clamped among the layers of cotton gauze from the inside to the outside, the edge of the arc-shaped housing is matched with the contours of the mouth, the nose and the chin of a user, large quantities of holes are formed in the arc-shaped housing, and the arc-shaped housing is made of plastics or other metal materials. The novel bacterium-insulation and dust-tight mask has the advantages that the air filter area of the nostrils of the user can be increased owing to the design of the arc-shaped housing, so that the amount of circulating air can be increased, and oppression feel can be reduced when the user breathes via the novel bacterium-insulation and dust-tight mask; the mint medicine bag has delicate fragrance, so that a peculiar smell removing effect can be realized, and an excellent filter effect of the mask can be realized owing to the fact that a strong adsorption effect can be realized by the outermost activated carbon layer.

The invention discloses a gastric lavage restraint coat. The gastric lavage restraint coat comprises a restraint coat body for restraining the body, a neck fixator for restraining the head and the neck, and a fixing band arranged on the restraint coat body. The restraint coat body is at least located below the knees in length. Side pockets are arranged on sleeves of the restraint coat body, elastic binding bands are arranged on cuffs of the sleeves, and the sleeves reach the hands and completely cover the fingers. The gastric lavage restraint coat has the advantages that the design of integration of head and neck restraining, chest restraining, hand restraining and knee restraining is adopted, operation is easy and convenient, a patient can be effectively fixed, the safe body position is kept, the gastric lavage effect is guaranteed, asphyxia caused by emesis is avoided, the gastric lavage efficiency is improved, and manpower output is reduced; in addition, the gastric lavage restraint coat is made of a cotton material, is lengthened to the position below the knees, and is comfortable, safe, easy to clean and disinfect and good in warmth keeping effect, and the privacy of the patient can be protected.

The invention relates to the technical field of medical auxiliary instruments, and particularly discloses an integrated premature infant body position auxiliary instrument. The integrated premature infant body position auxiliary instrument can be used for premature infants in neonatal wards or neonatal care rooms during hospitalization, and is a suitable tool provided for body position intervention of clinical nursing personnel; and the scope of developmental care of the premature infants is expanded. The integrated premature infant body position auxiliary instrument is particularly suitable for the premature infants during hospitalization, and the integrated component structure is beneficial for the premature infants to maintain flexion similar to intrauterine physiological flexion and support movement; apnea caused by bad body positions is avoided, and the risks of intracranial hemorrhage, gastroesophageal reflux and the like are reduced; and therefore, self-coordination and nerve development after birth are promoted.

The invention relates to the technical field of medical auxiliary instruments, and particularly relates to a chin-tongue muscle expanding support for improving a hypopnea respiratory tract. The expanding support is applied to chin-tongue muscle supporting and comprises a sleeve, a central tube and a support body, wherein the central tube penetrates through and is sleeved with the sleeve, and the support body is connected to the end of the sleeve; and a plurality of supporting arms are arranged between the sleeve and the support body and are of a foldable structure, one end of each supporting arm is connected with the sleeve and the central tube, and the other end of each supporting arm is connected with the support body. When the expanding support is contracted, the supporting arms are folded, and the support body is folded at the end of the sleeve; and when the expanding support is expanded, the sleeve pushes the supporting arms to be opened, and then the support body is expanded. The chin-tongue muscle expanding support is relatively small in size, can enter the respiratory tract of the human body from the oral cavity or the nasal cavity, is flexibly expanded in the respiratory tract, supports the chin-tongue muscle at the root of the tongue, prevents the chin-tongue muscle from drooping and blocking the respiratory tract when a patient lies flat, effectively relieves the suffocation phenomenon when the patient with the hypopnea symptom lies flat and sleeps, and basically achieves the purpose of being free of trauma compared with operative treatment.

The invention provides a nasal irrigator and a using method thereof. The nasal irrigator comprises a positive pressure part, a negative pressure part and a control part, wherein the positive pressure part comprises a first liquid storage bottle, an air inlet pipe arranged on the first liquid storage bottle, an air inlet pump arranged on the air inlet pipe, a liquid outlet pipe arranged on the first liquid storage bottle and a water injection nose irrigator head arranged at a liquid outlet of the liquid outlet pipe; the negative pressure part comprises a second liquid storage bottle, a liquid inlet pipe arranged on the second liquid storage bottle, an air outlet pipe arranged on the second liquid storage bottle, an air suction pump arranged on the air outlet pipe and a water suction nose irrigator head arranged at a liquid inlet of the liquid inlet pipe; and the control part is connected with the positive pressure part and the negative pressure part and controls the working state of the positive pressure part and the working state of the negative pressure part, the working state of the positive pressure part comprises the working state of the air inlet pump, and the working state of the negative pressure part comprises the working state of the air suction pump. According to the nasal irrigator and the using method thereof, the nasal irrigation experience of a patient can be improved, and paranasal sinus irrigation is achieved.

The invention discloses a high-flame-retardant data cable comprising a flame-retardant protective outer sleeve and a cable assembly. The flame-retardant protective outer sleeve comprises an outer skinlayer, a flame retardant layer, an isolation layer and a woven layer; the flame retardant layer is sleeved with the outer skin layer; the isolation layer is sleeved with the flame retardant layer; the woven layer is sleeved with the isolation layer; and a storage cavity is formed in the woven layer. The cable assembly comprises a plurality of data transmission cables, and the multiple data transmission cables are stored in the storage cavity and comprise insulation layers, shielding pipe sleeves, foam glue, grounding wires, power supply positive wires, first data cable bodies and second datacable bodies. According to the high-flame-retardant data cable, by arranging the flame retardant layer, it is guaranteed that during a fire, a communication assembly in the cable is not burned, it isguaranteed that the outer skin layer has good flame retardance during a fire behavior, the amount of generated smoke is small, toxicity is weak, it is guaranteed that the visibility of a fire behaviorarea is increased when personnel are dense, and the situation of dying from suffocation due to the excessive smoke is reduced.

The invention discloses an efficient energy-saving water-saving showering system and a working method. The efficient energy-saving water-saving showering system comprises a main liquid cavity; a water inlet is formed in the top of the main liquid cavity; a plurality of annular contraction and enlargement nozzles are evenly distributed at the bottom of the main liquid cavity; a plurality of vapor-liquid center guide pipes are arranged between the top wall and the bottom wall of the main liquid cavity, are straight through pipes and are used for communicating the top external space of the main liquid cavity and the bottom space of the annular contraction and enlargement nozzles; the vapor-liquid center guide pipes penetrate centers of the annular contraction and enlargement nozzles; and the water inlet, the main liquid cavity and the annular contraction and enlargement nozzles are communicated. By means of the efficient energy-saving water-saving showering system, the annular contraction and enlargement nozzles with the vapor-liquid center guide pipes are used for generating a large amount of high-speed tiny liquid drop jet flow, the speed is high, washing force is strong, the better washing and bathing effect can be obtained with small water amount, and the excellent water saving performance is achieved. When fluid washes the outer wall faces of vapor-liquid center guide pipes, suction force is generated, a multiphase mixture of hot air, water vapor and water mist at the top of the guide pipes can be sucked into the guide pipes, and sensible heat of the hot air, latent heat of the water vapor and sensible heat of the water mist can be recycled.